Home / 80,013.11-120,061.58-51,926.56

Finding the Fourth Proportional to 80,013.11, 120,061.58 and 51,926.56

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Solution

The fourth proportional to 80,013.11, 120,061.58 and 51,926.56 is: 77,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,013.11 : 120,061.58 = 51,926.56 : x
  2. Step 2: Convert to fraction form
    80,013.11/120,061.58 = 51,926.56/x
  3. Step 3: Cross multiply
    80,013.11x = 120,061.58 × 51,926.56
  4. Step 4: Simplify right side
    80,013.11x = 6,234,384,277.78
  5. Step 5: Solve for x
    x = 6,234,384,277.78/80,013.11
  6. Step 6: Final answer
    x = 77,917.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.